Kelly S Bricker. Sustainable tourism and the millenium development goals: Effecting positive change.
シカゴスタイル引用形Kelly S Bricker. Sustainable Tourism and the Millenium Development Goals: Effecting Positive Change.
MLA引用形式Kelly S Bricker. Sustainable Tourism and the Millenium Development Goals: Effecting Positive Change.
警告: この引用は必ずしも正確ではありません.